Make a better choice for the temporary file

Change-Id: I745bb285b6b52875c8d2b3a94deb962352f9754e

1 files changed, 2 insertions, 7 deletions

diff --git a/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java b/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
index c747dc673..ecb61b46f 100644
--- a/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
+++ b/java/src/com/android/inputmethod/latin/BinaryDictionaryGetter.java
@@ -165,14 +165,9 @@ final class BinaryDictionaryGetter {
 
     /**
      * Generates a unique temporary file name in the app cache directory.
-     *
-     * This is unique as long as it doesn't get called twice in the same millisecond by the same
-     * thread, which should be more than enough for our purposes.
      */
-    public static String getTempFileName(String id, Context context) {
-        final String fileName = replaceFileNameDangerousCharacters(id);
-        return context.getCacheDir() + File.separator + fileName + "."
-                + Thread.currentThread().getId() + "." + System.currentTimeMillis();
+    public static String getTempFileName(String id, Context context) throws IOException {
+        return File.createTempFile(replaceFileNameDangerousCharacters(id), null).getAbsolutePath();
     }
 
     /**